Quality Score
A Google Ads diagnostic metric (1-10) evaluating keyword relevance and landing page quality.
1 min readLast updated Apr 2026
Quick Reference
CategoryMarketing & Paid Advertising
Related Terms1
A Google Ads diagnostic metric (1-10) evaluating keyword relevance and landing page quality.
Why It Matters
Quality Score directly affects your ad costs and positions. Higher QS means lower cost-per-click and better ad placement. A 10/10 keyword might cost half as much as a 5/10 keyword for the same position. Improving Quality Score is one of the highest-leverage Google Ads optimizations.
Practical Example
Scenario
A brand has average Quality Score of 5 on their top keywords. They improve ad relevance and landing page experience, raising average QS to 8.
Calculation
CPC drops from $2.40 to $1.60 (33% reduction) while maintaining position. Same traffic, 33% lower spend.Result
At $50K/month Search spend, they save $16.5K/month while getting the same results. Annual savings: $198K.
Pro Tips
- 1Quality Score has three components: Expected CTR, Ad Relevance, Landing Page Experience—diagnose which is dragging you down
- 2Improve ad relevance by including keywords in headlines and ensuring ad copy matches search intent
- 3Landing page experience requires fast load times, mobile optimization, and content that matches ad promises
- 4Create tight ad groups with highly related keywords—broader groups dilute relevance
Common Mistakes to Avoid
Obsessing over Quality Score for low-volume keywords—focus optimization on your highest-spend keywords first
Ignoring landing page speed—even great content with slow load times gets penalized
Using the same generic ad copy across all keywords instead of tailoring messaging to search intent